Cardiovascular system Back

Heart





1. Atrial chamber
2. Endocardial cushions
3. Liver
4. Myocardial ventricular wall
5. Pericardial cavity
6. Sinus venosus
7. Ventricular chamber
Technique: Paraffin section
Staining: Hematoxylin-eosin
Orientation: Longitudinal section
Developmental age: 5 weeks